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3 - -
: 90% - - Software engineering: a practitioners approach Roger S. Pressman 3
1
. . . ( ) .
4 . (World view) (details view) .
.2
.
( ) . . (FAST) .31- Facilitated application specification technique
3
(QFD) . . :1- 2- 3- ( ) .41- Quality function deployment
. . :1- (Business Process Engineering) .2- ( ) (Product engineering) .51- BPE2- PE
. . (World View) . . (Domain View) . (Element View) . (Details View) .
. . . .6
. . . .7
(BPE) :
1- : (Data Object) . .2- : .3- : .8
BPE :* (Information Strategy Planning - ISP) : ( ) .* (Business Area Analysis - BAA) : .* (Business System Design - DSD) : . :1- 2- 3- 9
* (Construction & Integration C&I) : . () ()
PE :- (Requirements Engineering - RE) : : * * * * 10
- () (Elements Engineering - EE) : . ( ) :* * * * - (Analysis & Design Engineering - ADE) : .- (Construction & Integration) : 11
. . . :1- : . :* (Problems of Scope) .12
* (Problems of Understanding) . .* (Problems of Volatility) . .2- (Negotiation) : . . .13
3- (System Specification) : . (Specification) . .4- (System Modeling) : .5- (Requirement Validation) : . .6- (Requirements Management) : . . 14
. (Tracking Table) . :
. . .15R01R02R03R04R011R0211F031F0411
. . . . . . . . . . 16
.
17
(System Context Diagram) . SCD . SCD . SCD (System Flow Diagram SFD ) SCD . SCD SFD . (System Specification) .18
. (Requirement Analysis) . (Functional) (non-Functional) . . . . .19
. .20
: . . : 3 . . (How) What . ( .) . : . : .21
1- FAST . . FAST .2- QFD . QFD :
221- Facilitated application specification technique
(Normal Requirements) : . (Expected Requirements) : . . . (Exciting Requirements) : . Adobe PDF Word Adobe Acrobat Reader .23
. . 1- : . .2- : . . : .24
253- : . ( ) . .4- : . (Scenario Based Model) . . (Use Case) . Use Case .5- (Partitioning) : . . .
26
27 . .
28 : . .
(Use Case) FAST QFD Use Case . (Actors) . . . .
29 . . (Use Case) .
30
31
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